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What relation is your sister's father's daughter's grandfather to you ?

What relation is your sister's brother's aunt's son's brother in law to you ?

What relation is your father's wife's husband's sister's niece's brother to you ?

What relation is your aunt's daughter's sister's brother to you ?

What relation is your cousin's brother's aunt's father to you ?

What relation is your daughter's grandmother's sister's nephew to you ?